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Wireless Internet Shields

Arduino wifi shield:Description: Their recent announcement for the official shield. "It adds Wi-Fi communication capabilities to any Arduino. Instead of using any of the classic WiFi modules on the market we wanted to have something that will provide the maximum level of hackability to the user. The shield is based on awifi micro module made by H&D Wireless coupled with a powerful AVR32 processor that carries the full TCP-IP stack leaving room to add your own protocols and customisations. We’ve also worked hard to make sure that you will be able to migrate your code from the Ethernet Shield with minor changes.

Current Shields include:

Sparkfun's WiFly Shield: $89Description: The WiFly Shield equips your Arduino the ability to connect to 802.11b/g wireless networks. The featured components of the shield are a Roving Network's RN-131G wireless module and an SC16IS750 SPI-to-UART chip. The SPI-to-UART bridge is used to allow for faster transmission speed and to free up the Arduino's UART.

Weburban wifi: $69.99Description: Can connect to Oak Arduino board via a breakout header (placed so it doesn't interfere with the board's daughter card riser) or to your own project using our clearly placed markers on each pin. The board uses standard connectors over SPI to an Arduino compatible Microchip 802.11b/g/n MRF24WB0MA. Compatible with WiShield and other Arduino WiFi libraries.

LinkSprite WiFi Shield:Description: The LinkSprite WiFi Shield has built-in TCP/IP stack and all the WiFi related code. The Arduino just configures the WiFi parameters using AT command through the UART, or the user can simply treat the WiFi as a transparent serial port after some offline configuration.

Littlebird Electronics-WIFI SHIELD FOR ARDUINO (802.11 B/G): $115Description: The only 802.11 b/g WiFi shield in the world. This board only uses Tx/RX which transfers the UART signal to TCP/IP. And it is great to make the arduino project wireless. With the enhancment from 802.11g, the maximum range is about 100m indoors and 300 meters outdoors.

Async_labs: WiShield 2.0 External Antenna $60.00 (Internal antenna version$55)*(Out of Business as of 2011-03-26, shields may still be available)Description: This shield provides 802.11b connectivity and is a direct drop-on plug-and-play solution to your Arduino Diecimila/Duemilanove/Uno. This shield comes bundled with a 2dBi external antenna option for longer range. The PCB form-factor antenna has double sided tape to allow for more versatile mounting options.

WiFi Arduino Shield (WIZ610): $44 *Site is in spanish but they ship worldwideDescription: The Shield Arduino WiFi adapter plate is the WiFi module WIZ610wi of WIZnet. This shield provides wireless connectivity for 802.11b / g and is compatible with platforms Duemilanove , Mega and One.

DFRobot WiFi Shield V2.1: $85.00Description: The WIFI wireless module is based on WizFi210. It provides the bridging from TTL serial port communication to IEEE802.11b/g/n wireless communication. So any device with TTL serial ports can easily be connected with this WIFI module and controlled and managed remotely through a wireless network.

Alternatives:

Nanode: $39Description: An open source Arduino-like board that has in-built web connectivity. It connects to a range of wireless, wired and ethernet interfaces. It allows you to develop web based sensor and control systems - giving you web access to six analogue sensor lines and six digital I/O lines. Note: 802.15.4 based, compatible with most Arduino shields and software and has three connectivity ports Ethernet and Wired Serial

Zigdunio: $69.99Description: The Zigduino is an Arduino-compatible microcontroller platform that integrates an 802.15.4 radio on the board. The radio can be configured to support any 802.15.4-based protocol, including ZigBee, Route Under MAC/6LoWPAN, and RF4CE.

OpenPicus: See: FlyPort smart Wi-Fi 802.11 moduleDescription: An open source embedded platform for Smart Sensors and Internet of Things. Each openPICUS module combines Processor power and Connectivity (Wi-Fi, Bluetooth or LAN).You can easily develop and run applications on modules using the free IDE - no Wi-Fi expertise is needed - openPICUS framework, based on freeRTOS, keeps the control of the Wireless stack and its events, leaving you free to concentrate on your application.

WiFly GSX: $49.95Description: The WiFly GSX (RN-131C) module is a complete ultra low power embedded TCP/IP solution. The WiFly GSX module is a stand alone, embedded wireless 802.11b/g networking module. The combination of ultra low power and the ability to wake up, connect to a wireless network, send data and return to sleep mode in less than 100 milliseconds, allows the WiFly GSX to run for years on two standard AAA batteries.

Netduino Plus: $60Description: Does not have wireless built-in and must be outfitted with a module. An open source electronics platform using the .NET Micro Framework. Featuring a 32-bit microcontroller and a rich development environment, it is suitable for engineers and hobbyists alike. The Netduino Plus is just like the Netduino, with Ethernet cooked in. There is a full TCP/IP stack with examples ready to go, and a microSD card slot for storing files.

FreakLabs Freakduino Chibi Wireless Arduino Compatible Board: $33Description: The FreakLabs FREAKDUINO-CHIBI is designed for rapid prototyping, experimentation, and deployment of wireless designs at low cost. It combines the ease-of-use of the Arduino IDE, compatibility with a rich assortment of third-party peripherals, and an integrated wireless radio for an inexpensive wireless prototyping system.

FREAKDUINO CHIBI + Bottom Mounted Battery Case Set: $40Description: This set includes the FREAKDUINO-CHIBI base board, battery regulator circuit, 2.4 GHz antenna, bottom mounted battery case that fits two AA batteries, and a set of aluminum standoffs.This set is an inexpensive way to implement a compact, wireless, battery-powered prototyping platform based on the Arduino.

Pololu Wixel ($20-$40)Description: The Pololu Wixel is a general-purpose programmable module featuring a 2.4 GHz radio and USB. The Wixel is based on the CC2511F32 microcontroller from Texas Instruments, which has an integrated radio transceiver, 32 KB of flash memory, 4 KB of RAM, and a full-speed USB interface. A total of 15 general-purpose I/O lines are available, including 6 analog inputs, and the 0.1" pin spacing makes the Wixel easy to use with breadboards and perfboards.

Yellowjacket By Rugged Circuits: $54.95 ($19.95 if you install wifi module)Description: The Yellowjacket is built as an upgraded replacement to the now defunct Async_labs model. Features include a size of only 1.2” x 1.6” (41mm x 31mm) -- for your space-constrained projects and it uses the Microchip MRF24WB0MA WiFi module: 2.4 GHz 802.11b/g/n transceiver with a built-in PCB antenna (range up to 400m (1300ft)). It is also programmable from Arduino GUI software.

XBee

A popular choice the Xbee modules are "Ideal for energy management, wireless sensor networks and intelligent asset management, the XBee Wi-Fi offers 802.11 b/g/n networking and flexible SPI and UART serial interfaces. Because the module includes the 802.11 b/g/n physical layer, baseband MAC and TCP/IP stack, developers can add Wi-Fi to their products simply by connecting to the XBee Wi-Fi's serial port."

Description:The XBee ZigBee modules from Digi International are available in two major classifications: XBee Series 1 and XBee Series 2 modules. The Series 1 and Series 2 modules are quite similar, but selection of a module should be based upon application specific needs- See spec differences here

Bluetooth

Arduino BT Board:Description: It supports wireless serial communication over bluetooth (but is not compatible with Bluetooth headsets or other audio devices). It has 14 digital input/output pins (of which 6 can be used as PWM outputs and one can be used to reset the WT11 module), 6 analog inputs, a 16 MHz crystal oscillator, screw terminals for power, an ICSP header, and a reset button.

Radio-

Ciseco: XRF wireless RF radio UART RS232 serial data module: £11.88 (inc VAT)Description: Been looking for an easy to use wireless module for your prototypes? One with superior range (up to 1Km), greater in building penetration, lower current consumption and lower cost? We think the XRF might be what you have searched for.

The communication of the device is normal serial, it transparently passes characters to and from XRF's. You don't need to do CRC's, any error checking etc it's all done for you. XBee socket friendly 2 x 10 pin 2mm pitch layout RF module, in many projects it'll be a drop in replacement for series 1 XBees.

The easiest and most convenient way to communicate with your XRF/URF/ERF/SRF & DRF modules via standard 0.1" headers. This module, unlike most competitive radios can also be run at 5v (2.1-5v). The ERF transparently passes characters to and from individual or multiple radio devices.

The easiest and most convenient way to communicate with your XRF/URF/ERF/SRF & DRF modules via the USB port on your PC. The device just a single driver file and shows up as a standard COM port, so any serial/terminal emulation software can talk directly to your XRF/URF/ERF/SRF & DRF devices.

Jeenode: 18.50 euroDescription: The JeeNode is a small wireless board with an 8-bit Atmel RISC microprocessor. JeeNodes are compatible with the Arduino platform and can be programmed under Windows, Mac OS X, or Linux using sketches created with the Arduino IDE.Each JeeNode has 4 identical “ports” for attaching analog and digital I/O logic, I2C devices, and more. The Ports library makes it easy to interface to these ports.

RFM12B 868 MHz: 5.50 EuroDescription: The RFM12B radio module by HopeRF is a small wireless radio module for sending and receiving packets on the 868 MHz ISM band using FSK. - Arduino Library